package com.shujia.wyh.day16;

/*
        把数组拼接成一个字符串
 */
public class StringBufferTest1 {
    public static void main(String[] args) {
        int[] arr = {11,22,33,44,55};

        StringBuffer sb = new StringBuffer();

        for(int i=0;i<arr.length;i++){
            if(i==0){
                sb.append("[").append(arr[i]).append(",");
            }else if(i== arr.length-1){
                sb.append(arr[i]).append("]");
            }else {
                sb.append(arr[i]).append(",");
            }
        }

        //将StringBuffer转成String类型
        String s = sb.toString();
        System.out.println(s);
    }
}
